CN114320007A - Multistage anticollision barrier is prevented turning round by gasbag formula for road maintenance - Google Patents
Multistage anticollision barrier is prevented turning round by gasbag formula for road maintenance Download PDFInfo
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- CN114320007A CN114320007A CN202210037543.5A CN202210037543A CN114320007A CN 114320007 A CN114320007 A CN 114320007A CN 202210037543 A CN202210037543 A CN 202210037543A CN 114320007 A CN114320007 A CN 114320007A
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- 229920000647 polyepoxide Polymers 0.000 claims description 3
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Abstract
The invention discloses an air bag type anti-torsion multistage anti-collision guardrail for road maintenance, which comprises an installation base and a steel upright post fixedly connected with the top end of the installation base, fixing rings are respectively and uniformly arranged on the side walls of the adjacent steel upright posts, the fixing rings are matched with the metal cross rods to be connected with the outer frames, a metal net is arranged between the inner walls of the outer frames, buffer cylinders are respectively arranged on the side walls of the steel upright posts among the fixed rings through fixed cantilevers and are suspended on one side of the steel upright posts, and the outer wall of the buffer cylinder is fixedly sleeved with a fixed sleeve, the side walls of the adjacent fixed sleeves are respectively and movably provided with a first buffer baffle and a second buffer baffle, and the adjacent ends of the first buffer baffle and the second buffer baffle are movably connected, through the I-shaped superposition arrangement of the buffer baffle, the buffer cylinder and the metal net, the anti-collision and impact-resistant capacity of the guardrail on the vehicle is greatly improved, and the success rate of the guardrail on stopping the vehicle out of control is greatly improved.
Description
Technical Field
The invention relates to the technical field of traffic safety facilities, in particular to an air bag type anti-torsion multistage anti-collision guardrail for road maintenance.
Background
The anti-collision guardrail is a steel guardrail mainly used for protecting factories, warehouse equipment and facilities or roads. It is a typical cold-formed steel product, and has the advantages of good impact resistance, low cost, long service life, higher safety and the like. After the road is maintained and constructed, anti-collision guardrails are generally arranged around an operation place, so that pedestrians and vehicles are prevented from passing through the road in the period that the construction place is not completely formed, and the construction section is protected from being damaged; and secondly, the pedestrian and the vehicle are protected, the pedestrian and the vehicle are prevented from being sunk into an unformed road surface of a construction section, and the pedestrian and the vehicle are prevented from being injured and damaged.
However, the existing crash barriers are generally of a single-layer barrier structure, the barriers are easy to twist, bend and break after a vehicle hits the barriers, the barriers are easy to be seriously damaged, and the vehicle cannot be well protected against collision; and the existing single-layer guardrail bar type guardrail has poor impact resistance, can not intercept and stop the automobile when the automobile is out of control, and the automobile easily breaks through the obstruction of the guardrail and rushes into a construction maintenance place, so that the automobile can not run out, and the constructed and maintained road surface is damaged.
Therefore, an air bag type anti-torsion multi-stage anti-collision guardrail for road maintenance is provided.
Disclosure of Invention
The invention aims to provide an air bag type anti-torsion multistage anti-collision guardrail for road maintenance, which has a multistage anti-collision buffer structure, changes the traditional single-layer interception into multilayer composite buffer interception, greatly improves the anti-collision and impact resistance capability, has the advantages of deforming, buffering and intercepting an out-of-control vehicle, avoids the guardrail body from being distorted, bent and broken due to impact, and prolongs the service life of the guardrail, thereby solving the problems provided by the background.
In order to achieve the purpose, the invention provides the following technical scheme: an air bag type anti-twist multistage anti-collision guardrail for road maintenance comprises a mounting base and steel upright columns fixedly connected to the top end of the mounting base, two groups of fixed cantilevers are respectively arranged on the side walls of the adjacent steel upright columns in parallel, the tail ends of the fixed cantilevers are respectively provided with a connecting piece, the tail ends of the connecting pieces are respectively fixedly connected to the outer walls of the upper end and the lower end of the buffer cylinders, the buffer cylinders are suspended on one side of the steel upright post, the adjacent buffer cylinders are arranged in parallel side by side, and the outer wall of the buffer cylinder is fixedly sleeved with a fixed sleeve, the side walls of the adjacent fixed sleeves are respectively and movably provided with a first buffer baffle and a second buffer baffle, the adjacent ends of the first buffer baffle and the second buffer baffle are movably connected, the top parts of the steel upright posts are respectively and fixedly connected with fluorescent balls, the automatic fluorescent warning device is used for automatically emitting fluorescence at night or under the dim sight condition to warn pedestrians of specific positions and road trends of guardrails.
Further, the side wall of the steel stand column outside the fixed cantilever is respectively provided with a fixed ring in parallel and fixedly connected with, the side wall of the fixed ring is respectively provided with a metal cross rod in fixedly connected with, the metal cross rods are respectively fixedly connected with the side walls of the adjacent steel stand columns at the four corners of the outer frame, and the outer frame is suspended in the inner wall of the outer frame through the metal cross rods and is provided with a metal mesh.
Further, the connecting piece includes the installation curb plate that links to each other with fixed cantilever end is fixed, installation curb plate keeps away from on the lateral wall of fixed cantilever one end respectively fixed connection in the direction slide bar, the shift ring has been cup jointed in the activity respectively on the outer wall of direction slide bar, the shift ring keeps away from on the outer wall of steel stand one side respectively the fixed jib of fixedly connected with, fixed jib respectively with fixed cantilever parallel arrangement, and fixed jib on the same group steel stand lateral wall respectively fixed connection on the outer wall at both ends about same buffer cylinder, and twine respectively on the direction slide bar outer wall between installation curb plate and shift ring lateral wall and be provided with coupling spring, coupling spring's both ends respectively with the lateral wall of installation curb plate and shift ring fixed linking to each other.
Further, the buffer cylinder comprises a cylinder body fixedly adjacent to the fixed suspension rod, the cylinder body is of a hollow structure and is internally provided with a cavity, elastic push rods are respectively arranged between the inner walls of the upper end and the lower end of the cavity at uniform intervals in an annular mode and are all arranged close to the inner wall of the cavity, and a middle column is further arranged between the inner walls of the upper end and the lower end of the cavity between the elastic push rods.
Furthermore, the middle column is of a hollow structure, a two-way choke is arranged between the inner walls of the middle column, the two-way choke is arranged at the two-thirds height of the middle column and is of a two-way funnel-shaped structure, the inner cavity of the middle column is filled with a buffer substance, the filling amount of the buffer substance is smaller than the two-thirds volume of the inner cavity of the middle column, and the upper end face of the buffer substance is in contact with the bottom port of the two-way choke.
Further, the upper end and the lower end of the outer wall of one side, away from the fixed cantilever, of the fixed sleeve are respectively provided with a connecting rod side by side, the tail end of the connecting rod is respectively and fixedly connected with a limiting ball, and the outer wall of the limiting ball is respectively movably clamped with a first buffer baffle and a second buffer baffle.
Furthermore, the side walls of the adjacent ends of the first buffer baffle and the second buffer baffle are respectively and fixedly connected with fixing rods at uniform intervals, the tail ends of the fixing rods are respectively and fixedly connected with limit sleeves, the limit sleeves on the side walls of the first buffer baffle and the second buffer baffle are respectively movably sleeved on the outer wall of the rotating shaft at intervals in a staggered mode, and two ends of the rotating shaft are respectively upset to form limit blocks to block the limit sleeves.
Further, first buffer stop and second buffer stop's size is the same, and composition structure between them is the same, first buffer stop includes the mainboard that links to each other with spacing ball activity, the mounting groove has been seted up on the mainboard keeps away from the outer wall of buffer cylinder one side respectively, fixedly connected with cystosepiment on the inner wall that the mounting groove corresponds the port, fixedly connected with buffering gasbag on the outer wall of cystosepiment, buffering gasbag lateral wall links to each other with the mounting groove is fixed, and the one end of buffering gasbag extends to the port outside of mounting groove, the spout has respectively been seted up to corresponding spacing ball punishment on the back lateral wall of mainboard, the spout is the spherical structure, it matches with spacing ball, the mainboard cup joints on its outer wall through the spacing ball activity of spout block, and be provided with buffer spring on the one side inner wall of spout, buffer spring is connected with spacing ball one side outer wall in the spout.
Further, buffering gasbag includes the gasbag body as the midbody, and the parcel is provided with the metal film on the outer wall of gasbag body, and the parcel is provided with the anti-tear layer on the outer wall of metal film, and the anti-tear layer is the component that the epoxy material made, and the even gomphosis respectively in the inside on anti-tear layer is provided with elasticity plastic ball.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the airbag type anti-torsion multistage anti-collision guardrail for road maintenance, the side walls of adjacent steel upright posts are respectively and uniformly provided with the fixing rings, the fixing rings are matched with the metal cross rods to be connected with the outer frames, the metal nets are arranged between the inner walls of the outer frames, the side walls of the steel upright posts between the fixing rings are respectively provided with the buffer cylinders through the fixing cantilevers, the buffer cylinders are suspended on one sides of the steel upright posts, the outer walls of the buffer cylinders are fixedly sleeved with the fixing sleeves, the side walls of the adjacent fixing sleeves are respectively and movably provided with the first buffer baffle and the second buffer baffle, the adjacent ends of the first buffer baffle and the second buffer baffle are movably connected, and the I-shaped superposition arrangement of the buffer baffles, the buffer cylinders and the metal nets greatly improves the anti-collision and impact resistance of the guardrail on vehicles and the success rate of the guardrail on stopping the vehicles out of control.
2. The invention provides an air bag type anti-twist multistage anti-collision guardrail for road maintenance, wherein the upper end and the lower end of the outer wall of one side of a fixed sleeve, which is far away from a fixed cantilever, are respectively provided with a connecting rod in parallel, the tail ends of the connecting rods are respectively fixedly connected with a limit ball, a first buffer baffle plate and a second buffer baffle plate are respectively movably clamped on the outer wall of the limit ball through a spherical chute arranged on the side wall of a back plate of the first buffer baffle plate and the second buffer baffle plate, the inner wall of one side of the chute is provided with a buffer spring, the buffer spring is connected with the outer wall of one side of the limit ball in the chute, the adjacent ends of the first buffer baffle plate and the second buffer baffle plate are connected with the limit sleeve through a fixed rod, the limit sleeve is movably sleeved and connected with a rotating shaft in a staggered mode, when an out-of-control automobile hits the first buffer baffle plate and the second buffer baffle plate, the first buffer baffle plate and the second buffer baffle plate are pushed to deflect and move on the outer wall of the limit ball and stretch the buffer spring in the chute, and then the adjacent ends of the first buffer baffle plate and the first buffer baffle plate are pushed to approach to a metal mesh between the side walls of a steel upright column, first buffer stop and second buffer stop receive to strike and form the V style of calligraphy, through the elastic buffering of buffer cylinder and metal mesh, will lose control the car and stop at buffer stop's V style of calligraphy intracavity, guarantee the safety of car out of control, avoid the railing body to receive the cracked problem of impact distortion bending, improve the life of guardrail.
3. The invention provides an air bag type anti-torsion multistage anti-collision guardrail for road maintenance, wherein mounting grooves are formed in the side walls of main boards of a first buffer baffle and a second buffer baffle, a foam board is arranged between the inner walls of the mounting grooves and fixedly connected with a buffer air bag, one end of the buffer air bag extends to the outside of a port of the mounting groove, a metal film and an anti-tearing layer are sequentially wrapped and arranged on the outer wall of an air bag body of the buffer air bag, the anti-tearing layer is a component made of epoxy resin materials, elastic plastic balls are respectively and uniformly embedded and arranged in the anti-tearing layer, when the foam board and the buffer air bag are used for intercepting an out-of-control automobile, the metal film and the anti-tearing layer on the outer wall of the air bag body are used for isolation and protection, the elastic plastic balls in the anti-tearing layer buffer the automobile, the air bag body is prevented from being punctured by automobile parts while the performance of the automobile is enhanced, the normal use of the buffer air bag is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of an air bag type anti-torsion multistage crash barrier for road maintenance according to the present invention;
FIG. 2 is a schematic view of a metal net mounting structure of the air bag type anti-torsion multistage crash barrier for road maintenance according to the present invention;
FIG. 3 is a schematic view of the mounting structure of the first buffer baffle and the second buffer baffle of the air bag type anti-torsion multistage crash barrier for road maintenance according to the present invention;
FIG. 4 is a schematic structural view of the first buffer baffle and the second buffer baffle of the air bag type anti-torsion multistage crash barrier for road maintenance according to the present invention, which are deformed by impact;
FIG. 5 is an enlarged schematic view of the air bag type anti-torsion multi-stage crash barrier for road maintenance shown at A in FIG. 4;
FIG. 6 is a schematic view of a cushion cylinder mounting structure of the air bag type anti-torsion multistage crash barrier for road maintenance according to the present invention;
FIG. 7 is a cross-sectional view of a bumper barrel of the air bag type anti-torsion multi-stage crash barrier for road maintenance according to the present invention;
FIG. 8 is a cross-sectional view of a first bumper of the air bag type anti-twist multi-stage crash barrier for road maintenance according to the present invention;
fig. 9 is a partial sectional view of the buffering airbag of the airbag type torsion-proof multistage crash barrier for road maintenance according to the present invention.
In the figure: 1. installing a base; 2. a steel upright post; 3. fixing the cantilever; 4. a connecting member; 41. installing a side plate; 42. a guide slide bar; 43. a moving ring; 44. fixing the suspender; 45. a connecting spring; 5. a buffer cylinder; 51. a barrel; 52. a cavity; 53. an elastic ejector rod; 54. a middle column; 55. a two-way choke; 6. fixing the sleeve; 61. a connecting rod; 62. a limiting ball; 7. a first buffer baffle; 71. a main board; 72. mounting grooves; 73. a foam board; 74. a buffer air bag; 741. an airbag body; 742. a metal film; 743. a tear resistant layer; 744. an elastic plastic ball; 75. a chute; 76. a buffer spring; 8. a second buffer baffle; 9. a fluorescent sphere; 10. a fixing ring; 11. a metal cross bar; 12. an outer frame; 13. a metal mesh; 14. fixing the rod; 15. a limiting sleeve; 16. a rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an air bag type anti-twisting multistage anti-collision guardrail for road maintenance comprises an installation base 1 arranged on a road surface and steel columns 2 fixedly connected to the top end of the installation base 1, two groups of fixed cantilevers 3 are respectively arranged on the side walls of the adjacent steel columns 2 in parallel, the fixed cantilevers 3 are of an L-shaped structure, connecting members 4 are respectively installed at the tail ends of the fixed cantilevers 3, the tail ends of the connecting members 4 are respectively and fixedly connected to the outer walls of the upper and lower ends of a buffer cylinder 5, the buffer cylinder 5 is suspended at one side of the steel column 2, the adjacent buffer cylinders 5 are arranged in parallel side by side, a fixed sleeve 6 is fixedly sleeved on the outer wall of the buffer cylinder 5, a first buffer baffle 7 and a second buffer baffle 8 are respectively and movably installed on the side wall of the adjacent fixed sleeve 6, the adjacent ends of the first buffer baffle 7 and the second buffer baffle 8 are movably connected, the top of the steel columns 2 is also respectively and fixedly connected with a fluorescent ball 9, the fluorescent ball 9 is a component made of transparent plastic materials, and fluorescent substances are filled in the fluorescent ball and used for automatically emitting fluorescence at night or under the condition of dim sight to warn pedestrians of specific positions and road directions of guardrails.
The side walls of the steel upright columns 2 outside the fixed cantilever 3 are respectively fixedly connected with fixed rings 10 in parallel, the side walls of the fixed rings 10 are respectively fixedly connected with metal cross rods 11, the metal cross rods 11 are respectively and fixedly connected to the side walls at the four corners of an outer frame 12 between the side walls of the adjacent steel upright columns 2, the outer frame 12 is suspended in a manner of suspending metal cross rods 11, and a metal net 13 is arranged between the inner walls of the outer frame 12; evenly spaced fixedly connected with dead lever 14 respectively on the lateral wall of the adjacent end of first buffer baffle 7 and second buffer baffle 8, the end difference fixedly connected with limit sleeve 15 of dead lever 14, and limit sleeve 15 on first buffer baffle 7 and the 8 lateral walls of second buffer baffle is the crisscross activity of interval respectively cup joints on the outer wall of pivot 16, the both ends of pivot 16 are mound respectively and are formed the stopper and blockade limit sleeve 15, cross buffer baffle, the I shape coincide setting of buffer tube 5 and metal mesh 13, the anticollision shock resistance of guardrail to the vehicle has been improved greatly, and the success rate of guardrail interception vehicle out of control.
Referring to fig. 1 and 6, the connecting member 4 includes a mounting side plate 41 fixedly connected to the end of the fixed cantilever 3, the side walls of the mounting side plate 41 far away from the end of the fixed cantilever 3 are respectively and fixedly connected to a guide slide bar 42, the outer walls of the guide slide bars 42 are respectively and movably sleeved with a movable ring 43, the outer walls of the movable rings 43 far away from the steel upright 2 are respectively and fixedly connected to a fixed suspension rod 44, the fixed suspension rods 44 are respectively arranged in parallel with the fixed cantilever 3, the fixed suspension rods 44 on the side walls of the same group of steel upright 2 are respectively and fixedly connected to the outer walls of the upper and lower ends of the same buffer cylinder 5, and the outer walls of the guide slide bars 42 between the side plates 41 and the side walls of the movable rings 43 are respectively and wound with a connecting spring 45, the two ends of the connecting spring 45 are respectively and fixedly connected to the side walls of the mounting side plate 41 and the movable ring 43, the buffer cylinder 5 has a tendency of opposite movement after being impacted, and cooperates with the fixed suspension rods 44 to push the movable rings 43 to move oppositely on the outer walls of the guide slide bars 42 to compress the connecting spring 45, and carrying out anti-collision buffering on the out-of-control automobile.
Referring to fig. 6 and 7, the buffer cylinder 5 includes a cylinder body 51 fixed adjacent to the fixed suspension rod 44, the cylinder body 51 is a hollow structure, a cavity 52 is provided inside the cylinder body, elastic push rods 53 are respectively provided between the upper and lower inner walls of the cavity 52 at annular uniform intervals, the elastic push rods 53 are both arranged close to the inner wall of the cavity 52, a middle column 54 is further provided between the upper and lower inner walls of the cavity 52 between the elastic push rods 53, the middle column 54 is a hollow structure, a bidirectional choke 55 is provided between the inner walls, the bidirectional choke 55 is provided at two thirds of the height of the middle column 54 and is a bidirectional funnel structure, the inner cavity of the middle column 54 is filled with buffer substances, the buffer substances include fine sand, nonflammable flowing liquid, crushed grain, and the like, the filling amount of the buffer substances is less than two thirds of the volume of the inner cavity of the middle column 54, the upper end surface of the buffer substances contacts the bottom port of the bidirectional choke 55, after the cylinder body 51 is deformed by collision, the elastic push rod 53 is deformed and buffered, and then the middle column 54 is deformed to push the buffer material in the middle to the upper part from the two-way choke 55, so that the barrel body 51 is deformed and buffered, and the buffer barrel 5 is prevented from being damaged by the vehicle.
Referring to fig. 6 and 8, the upper end and the lower end of the outer wall of the side of the fixed sleeve 6 away from the fixed cantilever 3 are respectively provided with a connecting rod 61 side by side, the tail end of the connecting rod 61 is respectively fixedly connected with a limit ball 62, the outer wall of the limit ball 62 is respectively and movably clamped and fixed with a first buffer baffle 7 and a second buffer baffle 8, the first buffer baffle 7 and the second buffer baffle 8 have the same size and the same composition structure, the first buffer baffle 7 comprises a main board 71 movably connected with the limit ball 62, the outer wall of the main board 71 away from the side of the buffer cylinder 5 is respectively provided with a mounting groove 72, the inner wall of the mounting groove 72 corresponding to the port is fixedly connected with a foam board 73, the outer wall of the foam board 73 is fixedly connected with a buffer airbag 74, the side wall of the buffer airbag 74 is fixedly connected with the mounting groove 72, the inner wall of the mounting groove 72, the foam board 73 and the buffer airbag 74 are fixedly connected through an adhesive, one end of the buffering air bag 74 extends to the outside of the port of the mounting groove 72, sliding grooves 75 are respectively formed in the side wall of the back of the main plate 71 corresponding to the limiting balls 62, the sliding grooves 75 are of a spherical structure and matched with the limiting balls 62, the main plate 71 is movably sleeved on the outer wall of the limiting balls 62 through the clamping of the sliding grooves 75, a buffering spring 76 is arranged on the inner wall of one side of each sliding groove 75, the buffering spring 76 is connected with the outer wall of one side of each limiting ball 62 in the corresponding sliding groove 75, when an uncontrolled vehicle hits the first buffering baffle 7 and the second buffering baffle 8, the first buffering baffle 7 and the second buffering baffle 8 are pushed to deflect and move on the outer wall of the limiting balls 62 and stretch the buffering spring 76 in the sliding grooves 75, then the metal net 13 between the side walls of the steel upright posts 2 is pushed to be close to the adjacent ends of the first buffering baffle 7 and the second buffering baffle 8, the first buffering baffle 7 and the second buffering baffle 8 are impacted to form a V shape, and are elastically buffered by the buffering cylinder 5 and the metal net 13, the car that will lose control is intercepted at buffer stop's V style of calligraphy intracavity, guarantees the safety of car that loses control, avoids railing body to receive the cracked problem of impact distortion buckling, improves the life of guardrail.
Referring to fig. 8 and 9, the buffer airbag 74 includes an airbag body 741 serving as an intermediate, the airbag body 741 is filled with buffer gas, a metal film 742 is wrapped on an outer wall of the airbag body 741, an anti-tear layer 743 is wrapped on an outer wall of the metal film 742, the anti-tear layer 743 is a member made of epoxy resin material, elastic plastic balls 744 are respectively and uniformly embedded inside the anti-tear layer 743, the airbag body 741, the metal film 742 and the anti-tear layer 743 are fixedly connected by bonding, when the foam board 73 and the buffer airbag 74 are used to intercept an out-of-control automobile, the metal film 742 and the anti-tear layer 743 on the outer wall of the airbag body 741 are used to isolate and protect the out-of-control automobile, the elastic plastic balls 744 inside the anti-tear layer 743 are used to isolate and protect the automobile, the airbag body 741 is prevented from being punctured by the automobile component while the buffer performance of the automobile is enhanced, ensuring the normal use of the cushion bladder 74.
The working principle is as follows: when an out-of-control automobile collides against the anti-collision guardrail, the first buffer baffle 7 and the second buffer baffle 8 are impacted, the buffer air bag 74 and the foam board 73 in the mounting groove 72 on the outer wall of the main board 71 buffer the automobile, meanwhile, the buffer air bag 74 and the foam board 73 push the first buffer baffle 7 and the second buffer baffle 8 to deflect and move on the outer wall of the limiting ball 62 and stretch the buffer spring 76 in the sliding groove 75, then, the adjacent ends of the first buffer baffle 7 and the second buffer baffle 8 are pushed to deflect and simultaneously approach the metal net 13 between the side walls of the steel upright post 2, the first buffer baffle 7 and the second buffer baffle 8 are impacted to form a V shape, and the out-of-control automobile is stopped in the V-shaped cavity of the buffer baffles through the elastic buffering of the buffer cylinder 5 and the metal net 13; first buffer stop 7 and second buffer stop 8 receive the striking after, the impact transmits the buffer tube 5 of suspension on the steel stand 2 lateral wall, barrel 51 receives the striking deformation back, at first elastic ejector pin 53 warp the buffering, the middle post 54 warp afterwards and extrudes its inside buffer material to upper portion from two-way choke 55, let barrel 51 obtain warp the buffering, prevent that buffer tube 5 from being damaged by the vehicle striking, simultaneously, cooperation fixed jib 44 promotes shift ring 43 and removes compression connecting spring 45 in opposite directions on guide slide bar 42 outer wall, the anticollision buffering is carried out to the car of being out of control.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a multistage anticollision barrier is prevented turning round by gasbag formula for road maintenance, includes steel stand (2) on installation base (1) top with fixed connection, sets up two sets of fixed cantilevers (3), its characterized in that on the lateral wall of adjacent steel stand (2) side by side respectively: connecting piece (4) are installed respectively to the end of fixed cantilever (3), the end of connecting piece (4) is fixed connection respectively on the outer wall at both ends about buffer cylinder (5), buffer cylinder (5) suspension in steel stand (2) one side, adjacent buffer cylinder (5) parallel arrangement side by side, and fixed cover on the outer wall of buffer cylinder (5) has cup jointed fixed sleeve (6), on the lateral wall of adjacent fixed sleeve (6) respectively movable mounting have first buffer stop (7) and second buffer stop (8), and the adjacent end activity of first buffer stop (7) and second buffer stop (8) links to each other, the top of steel stand (2) still is fixedly connected with fluorescence ball (9) respectively, it is used for automatic fluorescence of sending under night or the dim condition of sight, warn the pedestrian guardrail and locate specific position and road trend.
2. The air bag type anti-torsion multistage anti-collision guardrail for road maintenance according to claim 1, wherein: the steel stand (2) outside fixed cantilever (3) are gone up the lateral wall of the steel stand respectively and are fixed ring (10) of fixedly connected with side by side, on the lateral wall of fixed ring (10) respectively fixedly connected with metal horizontal pole (11), metal horizontal pole (11) respectively fixed connection be in between the lateral wall of adjacent steel stand (2) on the lateral wall of outline (12) four corners department, outline (12) through metal horizontal pole (11) suspension in and the inner wall of outline (12) within a definite time be provided with metal mesh (13).
3. The air bag type anti-torsion multistage anti-collision guardrail for road maintenance according to claim 1, wherein: the connecting piece (4) comprises an installation side plate (41) fixedly connected with the tail end of the fixed cantilever (3), the side walls of one end, far away from the fixed cantilever (3), of the installation side plate (41) are respectively and fixedly connected with a guide slide bar (42), the outer walls of the guide slide bars (42) are respectively and movably sleeved with a movable ring (43), the outer walls of one sides, far away from the steel upright post (2), of the movable rings (43) are respectively and fixedly connected with a fixed suspender (44), the fixed suspenders (44) are respectively arranged in parallel with the fixed cantilever (3), and the fixed suspension rods (44) on the side walls of the same group of steel upright posts (2) are respectively and fixedly connected on the outer walls of the upper end and the lower end of the same buffer cylinder (5), and the outer walls of the guide sliding rods (42) between the side walls of the mounting side plates (41) and the moving rings (43) are respectively wound with connecting springs (45), and two ends of each connecting spring (45) are respectively fixedly connected with the side walls of the mounting side plates (41) and the moving rings (43).
4. The air bag type anti-torsion multistage anti-collision guardrail for road maintenance according to claim 3, wherein: buffer cylinder (5) include with fixed jib (44) fixed adjacent barrel (51), barrel (51) are hollow structure, and its inside is provided with cavity (52), are the even interval of annular respectively between cavity (52) upper and lower end inner wall and are provided with elasticity ejector pin (53), and the inner wall setting of cavity (52) is all pressed close to in elasticity ejector pin (53), and still is provided with intermediate pillar (54) between cavity (52) upper and lower end inner wall between elasticity ejector pin (53).
5. The air bag type anti-torsion multistage anti-collision guardrail for road maintenance according to claim 4, wherein: the middle column (54) is of a hollow structure, a two-way choke (55) is arranged between the inner walls of the middle column, the two-way choke (55) is arranged at the two-thirds height of the middle column (54) and is of a two-way funnel-shaped structure, the inner cavity of the middle column (54) is filled with a buffer substance, the filling amount of the buffer substance is less than two-thirds of the volume of the inner cavity of the middle column (54), and the upper end face of the buffer substance is in contact with the bottom port of the two-way choke (55).
6. The air bag type anti-torsion multistage anti-collision guardrail for road maintenance according to claim 1, wherein: the upper end and the lower end of the outer wall of one side, far away from the fixed cantilever (3), of the fixed sleeve (6) are respectively provided with a connecting rod (61) side by side, the tail end of the connecting rod (61) is respectively fixedly connected with a limiting ball (62), and the outer wall of the limiting ball (62) is respectively movably clamped with a fixed first buffer baffle (7) and a fixed second buffer baffle (8).
7. The air bag type anti-torsion multistage anti-collision guardrail for road maintenance according to claim 1, wherein: the utility model discloses a buffer baffle structure, including first buffer baffle (7) and second buffer baffle (8), even interval fixedly connected with dead lever (14) respectively on the lateral wall of first buffer baffle (7) and second buffer baffle (8) adjacent end, the end of dead lever (14) is fixedly connected with limit sleeve (15) respectively, and limit sleeve (15) on first buffer baffle (7) and second buffer baffle (8) lateral wall are the crisscross activity of interval respectively and are cup jointed on the outer wall of pivot (16), the both ends of pivot (16) are mound respectively and are formed the stopper and carry out the blockade to limit sleeve (15).
8. The air bag type anti-torsion multistage anti-collision guardrail for road maintenance according to claim 1, wherein: the first buffer baffle (7) and the second buffer baffle (8) are identical in size and structure, the first buffer baffle (7) comprises a main board (71) movably connected with a limiting ball (62), an installation groove (72) is formed in the outer wall of one side, far away from the buffer cylinder (5), of the main board (71), a foam board (73) is fixedly connected to the inner wall, corresponding to a port, of the installation groove (72), a buffer air bag (74) is fixedly connected to the outer wall of the foam board (73), the side wall of the buffer air bag (74) is fixedly connected with the installation groove (72), one end of the buffer air bag (74) extends to the outside of the port of the installation groove (72), a sliding groove (75) is formed in the position, corresponding to the limiting ball (62), of the side wall of the back of the main board (71), the sliding groove (75) is of a spherical structure and is matched with the limiting ball (62), the main board (71) is clamped on the outer wall of the limiting ball (62) through the sliding groove (75) in a sleeved mode and can move on the outer wall, and a buffer spring (76) is arranged on the inner wall of one side of the sliding groove (75), and the buffer spring (76) is connected with the outer wall of one side of the limiting ball (62) in the sliding groove (75).
9. The air bag type anti-torsion multistage anti-collision guardrail for road maintenance according to claim 8, wherein: the buffer airbag (74) comprises an airbag body (741) serving as a middle body, a metal film (742) wraps the outer wall of the airbag body (741), an anti-tear layer (743) wraps the outer wall of the metal film (742), the anti-tear layer (743) is a component made of epoxy resin materials, and elastic plastic balls (744) are respectively and uniformly embedded in the anti-tear layer (743).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210037543.5A CN114320007A (en) | 2022-01-13 | 2022-01-13 | Multistage anticollision barrier is prevented turning round by gasbag formula for road maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210037543.5A CN114320007A (en) | 2022-01-13 | 2022-01-13 | Multistage anticollision barrier is prevented turning round by gasbag formula for road maintenance |
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| Publication Number | Publication Date |
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| CN114320007A true CN114320007A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210037543.5A Pending CN114320007A (en) | 2022-01-13 | 2022-01-13 | Multistage anticollision barrier is prevented turning round by gasbag formula for road maintenance |
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| CN (1) | CN114320007A (en) |
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